This is the main board on The Outhouse, where Outhousers talk about everything. No topics are off limits, and it doesn't have to be about comics. All the topics from the other boards also show up in The Asylum, so you never have to leave1

And he's saying that people who endured temperature extremes in their 'evolution' developed in different ways necessary to their survival. I think he's pointed out various non-black/white examples. Also, gay people don't evolve, we just kinda happen.